一种新型的电梯能量回馈并网系统

摘要

针对普通电梯变频器不能回馈再生能量的缺点,设计出一种并网逆变器,将再生能量转化成电能回馈给电网.该回馈系统采用重复控制与电压前馈控制策略.为验证所提出的算法,搭建了基于TMS320F2812的并网逆变系统实验模型.实验结果表明该系统具有功率因数高,动态响应快,鲁棒性能好,抗干扰能力强等优点,可以有效的将再生制动能量回馈给电网,达到节能的目的,应用前景良好.%The ordinary elevator drive can not back renewable energy shortcomings,designed a grid-connected inverter,the renewable energy into electrical energy back to the grid. The feedback system uses repetitive control of grid voltage feedforward control strategy. To verify the proposed algorithm. Structures and network-based inverter system TMS320F2812 experimental model results show that the system has high power factor,fast dynamic response,robust performance,anti-interference ability,etc.,can be effectively regenerated braking energy back to the grid,achieve energy saving,application of good prospects.